406072885 has 8 divisors (see below), whose sum is σ = 487443456. Its totient is φ = 324754320.

The previous prime is 406072873. The next prime is 406072907. The reversal of 406072885 is 588270604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406072885 - 2¹¹ = 406070837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6972 + ... + 29338.

It is an arithmetic number, because the mean of its divisors is an integer number (60930432).

Almost surely, 2^406072885 is an apocalyptic number.

It is an amenable number.

406072885 is a deficient number, since it is larger than the sum of its proper divisors (81370571).

406072885 is a wasteful number, since it uses less digits than its factorization.

406072885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26003.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 406072885 is about 20151.2502093543. The cubic root of 406072885 is about 740.5163701763.

The spelling of 406072885 in words is "four hundred six million, seventy-two thousand, eight hundred eighty-five".